38 - CI and Testing for Means

How do we do inference for means?

Practice

Handout

Vocabulary

Student’s t models, degrees of freedom(df)

Study Questions

1. Compare and contrast the mechanics of constructing confidence intervals and hypothesis tests for proportions vs. means.
2. How is the shape of t-models impacted as df increase?
3. How do we determine a sample size that we’ll need for a desired margin or error as we plan our study?

Resources

1. Slide Deck: 38-CI-and-Hypothesis-tests-side-by-side
2. Slide Deck:38-CI-and-Testing-for-means